PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L27550-00006Relay,electromagnetic

Thales Uk Limited Dba Thales Uk Ltd Underwater Systems · NSN 5945-00-211-0573 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-211-0573 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-211-0573. Primary manufacturer part number: L27550-00006.
Features
  • Relay,electromagnetic — FSC 5945
  • Nominal Thread Size: 0.099 INCHES SINGLE MOUNTING FACILITY IN
  • Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Time Delay: 1.00 SECONDS MINIMUM AND 30.00 SECONDS MAXIMUM ADJUSTABLE OPERATE TIME
  • Environmental Protection: DUSTPROOF
  • Main Contact Load Current Rating at Maximum Rated Voltage: 5.0 AMPERES DC RESISTIVE LOAD
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-211-0573, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Thales Uk Limited Dba Thales Uk Ltd Underwater Systems. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-211-0573
Primary Part NumberL27550-00006
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerThales Uk Limited Dba Thales Uk Ltd Underwater Systems
StatusACTIVE
Nominal Thread Size0.099 INCHES SINGLE MOUNTING FACILITY IN
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Time Delay1.00 SECONDS MINIMUM AND 30.00 SECONDS MAXIMUM ADJUSTABLE OPERATE TIME
Environmental ProtectionDUSTPROOF
Main Contact Load Current Rating at Maximum Rated Voltage5.0 AMPERES DC RESISTIVE LOAD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Winding DC Resistance Rating650.0 OHMS NOMINAL SINGLE WINDING
Thread Quantity Per Inch48 SINGLE MOUNTING FACILITY
Mounting Facility Type and Quantity1 THREADED STUD(S) SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Features ProvidedPOLARIZED
Winding Quantity1
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Coil Quantity1
Thread Class2A SINGLE MOUNTING FACILITY A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5136-00-237-82635136-00-237-8263 INTERCHANGEABLE
Die,thread Cutting
General Services Administration Federal Supply Service
6680-00-526-65783110-7 INTERCHANGEABLE
Gage,liquid Quantity,float Type
Rochester Sensors, Llc
5330-00-759-055031107 INTERCHANGEABLE
Gasket,spiral Wound
Flowserve Inc
6610-00-866-845031107 INTERCHANGEABLE
Case Assy
Aerosonic Llc
3020-01-413-892031107 INTERCHANGEABLE
Gear,spur
Belfort Instrument Company
4320-01-443-3092 INTERCHANGEABLE
Impeller,pump,centrifugal
5340-01-646-992331107 INTERCHANGEABLE
Bracket,mounting
Campbell Scientific Inc
5340-01-662-726631107 INTERCHANGEABLE
Adapter,tie Down
Saginaw Products Corporation Dba Cignys
Cross-Reference Index
Part NumberManufacturer
L27550-00006 Thales Uk Limited Dba Thales Uk Ltd Underwater Systems (GBR)
31107 Thales Uk Limited Dba Thales Uk Ltd Underwater Systems (GBR)
R12-30-24X2E1 Te Connectivity Corporation (USA)
Related Parts
5136-00-237-8263INTERCHANGEABLE
DIE,THREAD CUTTING
5136-00-237-8263
6680-00-526-6578INTERCHANGEABLE
GAGE,LIQUID QUANTITY,FLOAT TYPE
3110-7
5330-00-759-0550INTERCHANGEABLE
GASKET,SPIRAL WOUND
31107
6610-00-866-8450INTERCHANGEABLE
CASE ASSY
31107
3020-01-413-8920INTERCHANGEABLE
GEAR,SPUR
31107
4320-01-443-3092INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
5340-01-646-9923INTERCHANGEABLE
BRACKET,MOUNTING
31107
5340-01-662-7266INTERCHANGEABLE
ADAPTER,TIE DOWN
31107

Frequently Asked Questions

What is NSN 5945-00-211-0573?

NSN 5945-00-211-0573 is a Relay,electromagnetic, manufactured by Thales Uk Limited Dba Thales Uk Ltd Underwater Systems, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-211-0573?

NSN 5945-00-211-0573 has 3 cross-referenced part numbers: L27550-00006 (Thales Uk Limited Dba Thales Uk Ltd Underwater Systems), 31107 (Thales Uk Limited Dba Thales Uk Ltd Underwater Systems), R12-30-24X2E1 (Te Connectivity Corporation).

What NSN replaces 5945-00-211-0573?

There are 8 known substitutes for 5945-00-211-0573: 5136-00-237-8263, 6680-00-526-6578, 5330-00-759-0550 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L27550-00006?

Key specifications for L27550-00006: Nominal Thread Size: 0.099 INCHES SINGLE MOUNTING FACILITY IN; Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Time Delay: 1.00 SECONDS MINIMUM AND 30.00 SECONDS MAXIMUM ADJUSTABLE OPERATE TIME. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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